Most startups are of course going to fail, but to give yourself the best chance for success, split the stock equally between cofounders (leaving ~20% for future

Most startups are of course going to fail, but to give yourself the best chance for success, split the stock equally between cofounders (leaving ~20% for future employees); devote 100% of your time to the startup; and once you get funding, take a salary that allows you to live comfortably and continue to devote 100% of your time to the company. Also, because life is short and your savings aren't infinite, set some metrics (X many users, Y much revenue, Z much funding, etc) to meet under some time horizon (3 months, a year, etc), and when that time point arrives, if you're not close to your goals, fold the company and try something new.